From Dublin Airport:

By Car: Take M1 in the city direction. Pass the entrance to the Port Tunnel (Don't go into it). At the next intersection take a right onto Collins Avenue and an immediate right onto Swords Road. The B&B is at the end of the road before the lights on the left-hand side.By Bus: Go to zone 15a - Take Bus no. 16 or 41 - city centre direction - disembark at Bus Stop 231-Shanowen Road/Swords Road.

By Taxi: Taxi fare to B&B from airport is approx 15 euro.

From Dublin city:

By Car: Take M1 in the airport direction. Take first exit off M1 Santry/Beaumont. The B&B is before the lights on left hand side.By Bus: Take Bus Routes 1, 16 from O'Connell Street or Westmoreland Street or Take Bus Route 41 or 33 from Lower Abbey Street Disembark at Bus Stop 220 - Swords Road/Shantalla Road.By Taxi: Taxi fare from city to the B&B is aprox: 12-15 euros.

Some Useful Travel Tips

The Leap Visitor Card is a pre-paid ticket that allows you unlimited travel for 72 hours (3 days) after first use on:

Airlink 747 airport bus service

All Dublin Bus scheduled services (not valid on tours)

All Luas (tram) services DART and Commuter Rail in the Short Hop Zone (all of Dublin city and county)

You can buy a Leap Visitor Card for only €19.50. It may only be purchased ar the airport at the Spar shop in the arrivals hall in Terminal 1 or Terminal 2 in Dublin Airport; or at the Travel Information desk in Terminal 1.
It is ‘the’ tourist ticket to have for getting you around Dublin.

Bus services run approximately every 10 minutes.
A "Nightlink" bus service is provided from Thursday to Saturday.
These buses run until 3.30 am, perfect if you plan a late night in Dublin city centre
A 3 day Freedom Ticket is available for purchase at Dublin Airport. It covers all Dublin Bus transport for the entire city for 3 days as well as the hop on hop off bus for 3 days.
If paying on the bus, please note that you must have coins and exact fare.